A few days ago
icygurl555

Find all points on the x-axis that are 4 units from P (-2, 3)?

Enter your answer as ordered pair(s). If there are multiple answers, separate them with a comma.

Top 1 Answers
A few days ago
Anonymous

Favorite Answer

Let (x, 0) be one of the points.

Then:

(x + 2)^2 + (-3)^2 = 4^2

x^2 + 4x – 3 = 0

x = (-4 +/- sqrt(28)) / 2

x = – 2 +/- sqrt(7).

(-2 – sqrt(7),0) , (-2 + sqrt(7),0).

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